firewire/fireworks/fireworks_stream.c

16 	int err;
28 	err = cmp_connection_init(conn, efw->unit, c_dir, 0);
29 	if (err < 0)
30 		return err;
32 	err = amdtp_am824_init(stream, efw->unit, s_dir, CIP_BLOCKING | CIP_UNAWARE_SYT);
33 	if (err < 0) {
36 		return err;
62 	return err;
69 	int err;
77 	err = cmp_connection_establish(conn);
78 	if (err < 0)
79 		return err;
82 	err = amdtp_domain_add_stream(&efw->domain, stream,
84 	if (err < 0) {
86 		return err;
109 	int err;
116 	err = cmp_connection_check_used(conn, &used);
117 	if ((err >= 0) && used && !amdtp_stream_running(s)) {
122 		err = -EBUSY;
125 	return err;
130 	int err;
132 	err = init_stream(efw, &efw->tx_stream);
133 	if (err < 0)
134 		return err;
136 	err = init_stream(efw, &efw->rx_stream);
137 	if (err < 0) {
139 		return err;
142 	err = amdtp_domain_init(&efw->domain);
143 	if (err < 0) {
146 		return err;
150 	err = snd_efw_command_set_tx_mode(efw, SND_EFW_TRANSPORT_MODE_IEC61883);
151 	if (err < 0) {
156 	return err;
165 	int err;
177 	err = amdtp_am824_set_parameters(stream, rate, pcm_channels,
179 	if (err < 0)
180 		return err;
190 	int err;
194 	err = check_connection_used_by_others(efw, &efw->rx_stream);
195 	if (err < 0)
196 		return err;
199 	err = snd_efw_command_get_sampling_rate(efw, &curr_rate);
200 	if (err < 0)
201 		return err;
217 		err = snd_efw_command_set_sampling_rate(efw, rate);
218 		if (err < 0)
219 			return err;
221 		err = snd_efw_get_multiplier_mode(rate, &mode);
222 		if (err < 0)
223 			return err;
225 		err = keep_resources(efw, &efw->tx_stream, rate, mode);
226 		if (err < 0)
227 			return err;
229 		err = keep_resources(efw, &efw->rx_stream, rate, mode);
230 		if (err < 0) {
232 			return err;
235 		err = amdtp_domain_set_events_per_period(&efw->domain,
237 		if (err < 0) {
240 			return err;
250 	int err = 0;
263 	err = snd_efw_command_get_sampling_rate(efw, &rate);
264 	if (err < 0)
265 		return err;
277 		err = start_stream(efw, &efw->rx_stream, rate);
278 		if (err < 0)
281 		err = start_stream(efw, &efw->tx_stream, rate);
282 		if (err < 0)
288 		err = amdtp_domain_start(&efw->domain, tx_init_skip_cycles, true, false);
289 		if (err < 0)
293 			err = -ETIMEDOUT;
305 	return err;
348 	int err;
354 		err = -EBUSY;
361 	err = 0;
364 	return err;